function yesorno(fun,title,mes){
	Ext.MessageBox.show({
           title:title,
           msg: mes,
           buttons: Ext.MessageBox.YESNO,
           fn: function(btn){
           if(btn=='yes')
           		//eval(fun+'()');
           		fun;
           },
           icon: Ext.MessageBox.QUESTION
       });
        Ext.MessageBox.show({
           title:title,
           msg: mes,
           buttons: Ext.MessageBox.YESNO,
           fn: function(btn){
           if(btn=='yes')
           		eval(fun+'()');
           },
           icon: Ext.MessageBox.QUESTION
       });
}